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Note 13 - Operating Leases (Tables) | 12 Months Ended
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Dec. 31, 2012
Operating Leases of Lessee Disclosure [Table Text Block] |
Years Ending December 31, |  |
2013 |  | $ | 941 |
2014 |  |  | 688 |
2015 |  |  | 635 |
2016 |  |  | 580 |
2017 |  |  | 548 |
Thereafter |  |  | 2,614 |
Total future minimum rental payments |  | $ | 6,006 |

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | us-gaap_OperatingLeasesOfLesseeDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration